Merge pull request #1190 from Themimitoof/master

Change alpine version to permit ARM and amd64 deployment

Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.5
+FROM alpine:3.6
 MAINTAINER searx <https://github.com/asciimoo/searx>
 LABEL description "A privacy-respecting, hackable metasearch engine."